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NPE on _LocalVisitor.declaredGenericTypeAlias (SDK 2.4.0) #37555

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nickolas-pohilets opened this issue Jul 17, 2019 · 1 comment
Closed

NPE on _LocalVisitor.declaredGenericTypeAlias (SDK 2.4.0) #37555

nickolas-pohilets opened this issue Jul 17, 2019 · 1 comment
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analyzer-completion Issues with the analysis server's code completion feature analyzer-crash-report Issues which have been reported due to an analysis server crash area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion.

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@nickolas-pohilets
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nickolas-pohilets commented Jul 17, 2019 •
edited by devoncarew
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Analyzer Feedback from IntelliJ

Version information

  • IDEA IU-182.4129.33
  • 2.4.0
  • IU-182.4129.33, JRE 1.8.0_152-release-1248-b8x64 JetBrains s.r.o, OS Mac OS X(x86_64) v10.14.5 unknown, screens 1440x900 Retina

Exception

Dart analysis server, SDK version 2.4.0, server version 1.27.1, error: Failed to handle completion domain request: {id: 5535, method: completion.getSuggestions, params: {file: /Users/user/project/lib/ui/nav.dart, offset: 2626}, clientRequestTime: 1563398498325}
NoSuchMethodError: The getter 'returnType' was called on null.
Receiver: null
Tried calling: returnType
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5)
#1      _LocalVisitor.declaredGenericTypeAlias (package:analysis_server/src/services/completion/dart/local_reference_contributor.dart:237:36)
#2      LocalDeclarationVisitor.visitCompilationUnit.<anonymous closure> (package:analyzer_plugin/src/utilities/visitors/local_declaration_visitor.dart:130:9)
#3      _NodeListImpl

Dart analysis server, SDK version 2.4.0, server version 1.27.1, error: Failed to handle completion domain request: {id: 5535, method: completion.getSuggestions, params: {file: /Users/user/project/lib/ui/nav.dart, offset: 2626}, clientRequestTime: 1563398498325}
NoSuchMethodError: The getter 'returnType' was called on null.
Receiver: null
Tried calling: returnType
#0      Object.noSuchMethod (dart:core-patch/object_patch.dart:50:5)
#1      _LocalVisitor.declaredGenericTypeAlias (package:analysis_server/src/services/completion/dart/local_reference_contributor.dart:237:36)
#2      LocalDeclarationVisitor.visitCompilationUnit.<anonymous closure> (package:analyzer_plugin/src/utilities/visitors/local_declaration_visitor.dart:130:9)
#3      _NodeListImpl&Object&ListMixin.forEach (dart:collection/list.dart:63:13)
#4      LocalDeclarationVisitor.visitCompilationUnit (package:analyzer_plugin/src/utilities/visitors/local_declaration_visitor.dart:104:23)
#5      CompilationUnitImpl.accept (package:analyzer/src/dart/ast/ast.dart:2146:49)
#6      LocalDeclarationVisitor.visit (package:analyzer_plugin/src/utilities/visitors/local_declaration_visitor.dart:70:12)
#7      LocalReferenceContributor.computeSuggestions (package:analysis_server/src/services/completion/dart/local_reference_contributor.dart:66:17)
<asynchronous suspension>
#8      DartCompletionManager.computeSuggestions (package:analysis_server/src/services/completion/dart/completion_manager.dart:138:31)
<asynchronous suspension>
#9      CompletionDomainHandler.computeSuggestions (package:analysis_server/src/domain_completion.dart:122:42)
<asynchronous suspension>
#10     CompletionDomainHandler.processRequest (package:analysis_server/src/domain_completion.dart:392:5)
<asynchronous suspension>
#11     CompletionDomainHandler.handleRequest.<anonymous closure> (package:analysis_server/src/domain_completion.dart:282:9)
#12     _rootRun (dart:async/zone.dart:1124:13)
#13     _CustomZone.run (dart:async/zone.dart:1021:19)
#14     _runZoned (dart:async/zone.dart:1516:10)
#15     runZoned (dart:async/zone.dart:1500:12)
#16     CompletionDomainHandler.handleRequest (package:analysis_server/src/domain_completion.dart:275:12)
#17     AnalysisServer.handleRequest.<anonymous closure>.<anonymous closure> (package:analysis_server/src/analysis_server.dart:321:45)
#18     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#19     AnalysisServer.handleRequest.<anonymous closure> (package:analysis_server/src/analysis_server.dart:317:50)
#20     _rootRun (dart:async/zone.dart:1124:13)
#21     _CustomZone.run (dart:async/zone.dart:1021:19)
#22     _runZoned (dart:async/zone.dart:1516:10)
#23     runZoned (dart:async/zone.dart:1500:12)
#24     AnalysisServer.handleRequest (package:analysis_server/src/analysis_server.dart:316:5)
#25     ByteStreamServerChannel._readRequest.<anonymous closure> (package:analysis_server/src/channel/byte_stream_channel.dart:174:16)
#26     _PerformanceTagImpl.makeCurrentWhile (package:analyzer/src/generated/utilities_general.dart:258:15)
#27     ByteStreamServerChannel._readRequest (package:analysis_server/src/channel/byte_stream_channel.dart:165:47)
#28     ByteStreamServerChannel.listen.<anonymous closure> (package:analysis_server/src/channel/byte_stream_channel.dart:110:26)
#29     _rootRunUnary (dart:async/zone.dart:1132:38)
#30     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#31     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
#32     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11)
#33     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7)
#34     _SinkTransformerStreamSubscription._add (dart:async/stream_transformers.dart:68:11)
#35     _EventSinkWrapper.add (dart:async/stream_transformers.dart:15:11)
#36     _StringAdapterSink.add (dart:convert/string_conversion.dart:236:11)
#37     _LineSplitterSink._addLines (dart:convert/line_splitter.dart:150:13)
#38     _LineSplitterSink.addSlice (dart:convert/line_splitter.dart:125:5)
#39     StringConversionSinkMixin.add (dart:convert/string_conversion.dart:163:5)
#40     _SinkTransformerStreamSubscription._handleData (dart:async/stream_transformers.dart:120:24)
#41     _rootRunUnary (dart:async/zone.dart:1132:38)
#42     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#43     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
#44     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11)
#45     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7)
#46     _SinkTransformerStreamSubscription._add (dart:async/stream_transformers.dart:68:11)
#47     _EventSinkWrapper.add (dart:async/stream_transformers.dart:15:11)
#48     _StringAdapterSink.add (dart:convert/string_conversion.dart:236:11)
#49     _StringAdapterSink.addSlice (dart:convert/string_conversion.dart:241:7)
#50     _Utf8ConversionSink.addSlice (dart:convert/string_conversion.dart:312:20)
#51     _Utf8ConversionSink.add (dart:convert/string_conversion.dart:305:5)
#52     _ConverterStreamEventSink.add (dart:convert/chunked_conversion.dart:72:18)
#53     _SinkTransformerStreamSubscription._handleData (dart:async/stream_transformers.dart:120:24)
#54     _rootRunUnary (dart:async/zone.dart:1132:38)
#55     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#56     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
#57     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11)
#58     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7)
#59     _SyncStreamController._sendData (dart:async/stream_controller.dart:764:19)
#60     _StreamController._add (dart:async/stream_controller.dart:640:7)
#61     _StreamController.add (dart:async/stream_controller.dart:586:5)
#62     _Socket._onData (dart:io-patch/socket_patch.dart:1786:41)
#63     _rootRunUnary (dart:async/zone.dart:1136:13)
#64     _CustomZone.runUnary (dart:async/zone.dart:1029:19)
#65     _CustomZone.runUnaryGuarded (dart:async/zone.dart:931:7)
#66     _BufferingStreamSubscription._sendData (dart:async/stream_impl.dart:336:11)
#67     _BufferingStreamSubscription._add (dart:async/stream_impl.dart:263:7)
#68     _SyncStreamController._sendData (dart:async/stream_controller.dart:764:19)
#69     _StreamController._add (dart:async/stream_controller.dart:640:7)
#70     _StreamController.add (dart:async/stream_controller.dart:586:5)
#71     new _RawSocket.<anonymous closure> (dart:io-patch/socket_patch.dart:1335:33)
#72     _NativeSocket.issueReadEvent.issue (dart:io-patch/socket_patch.dart:856:14)
#73     _microtaskLoop (dart:async/schedule_microtask.dart:41:21)
#74     _startMicrotaskLoop (dart:async/schedule_microtask.dart:50:5)
#75     _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:116:13)
#76     _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:173:5)

1563398497922 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/main.dart","errors":[]}}
1563398497928 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/ui.dart","errors":[]}}
1563398497930 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":false}}}
1563398497930 <= {"event":"analysis.implemented","params":{"file":"/Users/user/project/lib/ui/nav.dart","classes":[{"offset":339,"length":4}],"members":[]}}
1563398498173 => {"id":"5532","method":"analysis.updateContent","params":{"files":{"/Users/user/project/lib/ui/nav.dart":{"type":"add","content":"import 'package:flutter/widgets.dar
1563398498175 => {"id":"5533","method":"edit.getAssists","params":{"file":"/Users/user/project/lib/ui/nav.dart","offset":2625,"length":0},"clientRequestTime":1563398498175}
1563398498176 <= {"id":"5532","result":{}}
1563398498176 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":true}}}
1563398498211 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/nav.dart","errors":[{"severity":"ERROR","type":"SYNTACTIC_ERROR","location":{"file":"/Users/
1563398498211 <= {"id":"5533","result":{"assists":[]}}
1563398498212 <= {"event":"analysis.highlights","params":{"file":"/Users/user/project/lib/ui/nav.dart","regions":[{"type":"DIRECTIVE","offset":0,"length":38},{"type":"BUILT_IN","off
1563398498213 <= {"event":"analysis.navigation","params":{"file":"/Users/user/project/lib/ui/nav.dart","regions":[{"offset":7,"length":30,"targets":[0]},{"offset":46,"length":31,"ta
1563398498213 <= {"event":"analysis.closingLabels","params":{"file":"/Users/user/project/lib/ui/nav.dart","labels":[{"offset":1487,"length":229,"label":"MaterialPageRoute"},{"offset
1563398498214 <= {"event":"analysis.outline","params":{"file":"/Users/user/project/lib/ui/nav.dart","kind":"LIBRARY","outline":{"element":{"kind":"COMPILATION_UNIT","name":"<unit>",
1563398498215 <= {"event":"analysis.overrides","params":{"file":"/Users/user/project/lib/ui/nav.dart","overrides":[{"offset":857,"length":5,"superclassMember":{"element":{"kind":"ME
1563398498230 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/pages.dart","errors":[]}}
1563398498249 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/profile/profile_widget.dart","errors":[]}}
1563398498266 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/people/people_screen.dart","errors":[]}}
1563398498281 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/meerkats_tab_scaffold.dart","errors":[]}}
1563398498288 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/ui.dart","errors":[]}}
1563398498314 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/main.dart","errors":[]}}
1563398498316 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":false}}}
1563398498316 <= {"event":"analysis.implemented","params":{"file":"/Users/user/project/lib/ui/nav.dart","classes":[{"offset":339,"length":4}],"members":[]}}
1563398498324 => {"id":"5534","method":"analysis.updateContent","params":{"files":{"/Users/user/project/lib/ui/nav.dart":{"type":"add","content":"import 'package:flutter/widgets.dar
1563398498325 => {"id":"5535","method":"completion.getSuggestions","params":{"file":"/Users/user/project/lib/ui/nav.dart","offset":2626},"clientRequestTime":1563398498325}
1563398498325 <= {"id":"5534","result":{}}
1563398498326 <= {"event":"server.status","params":{"analysis":{"isAnalyzing":true}}}
1563398498344 <= {"id":"5535","result":{"id":"664"}}
1563398498344 <= {"event":"analysis.errors","params":{"file":"/Users/user/project/lib/ui/nav.dart","errors":[{"severity":"ERROR","type":"SYNTACTIC_ERROR","location":{"file":"/Users/
1563398498346 <= {"event":"server.error","params":{"isFatal":false,"message":"Failed to handle completion domain request: {id: 5535, method: completion.getSuggestions, params: {file: /Users/user/
@devoncarew devoncarew changed the title Dart Analyzer Error NPE on _LocalVisitor.declaredGenericTypeAlias (SDK 2.4.0) Jul 18, 2019
@devoncarew devoncarew added analyzer-completion Issues with the analysis server's code completion feature analyzer-crash-report Issues which have been reported due to an analysis server crash area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion. labels Jul 18, 2019
@srawlins srawlins mentioned this issue Aug 10, 2019
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@pq
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pq commented Sep 24, 2019

Fixed in ea0e48a.

@pq pq closed this as completed Sep 24, 2019
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analyzer-completion Issues with the analysis server's code completion feature analyzer-crash-report Issues which have been reported due to an analysis server crash area-analyzer Use area-analyzer for Dart analyzer issues, including the analysis server and code completion.
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